Benphosil
粘土硅酸盐浆
🗣️ 情景例句
I'm glad I got to know you.
我很高兴能够认识你。
I know the boy whose father is an engineer.
我知道那个男孩的父亲是工程师。
He lived in this century, was born in Germany and spent the last part of his life in the USA.
他生活在本世纪，出生于德国，在美国度过了他的晚年。